THE BASIC PRINCIPLES OF DIGITAL PHONE SERVICES

Inspite of AT&T’s dominance through the preset and cell sectors, the operator was surpassed as the most important U.S. telecoms business by revenue in 2022 by Verizon. Verizon produced 137 billion U.S. dollars that year, when AT&T generated just 121 billion, down from 169 billion the previous 12 months. This capped a pivotal year for AT&T, With a